4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Whamcloud, Inc.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/mdd/mdd_internal.h
38 * Author: Wang Di <wangdi@clusterfs.com>
41 #ifndef _MDD_INTERNAL_H
42 #define _MDD_INTERNAL_H
44 #include <lustre_acl.h>
45 #include <lustre_eacl.h>
46 #include <md_object.h>
47 #include <dt_object.h>
48 #ifdef HAVE_QUOTA_SUPPORT
49 # include <lustre_quota.h>
51 #include <lustre_fsfilt.h>
52 #include <lustre/lustre_lfsck_user.h>
53 #include <lustre_fid.h>
54 #include <lustre_capa.h>
55 #include <lprocfs_status.h>
56 #include <lustre_log.h>
58 #ifdef HAVE_QUOTA_SUPPORT
60 extern quota_interface_t *mds_quota_interface_ref;
62 static inline void mdd_quota_wrapper(struct lu_attr *la, unsigned int *qids)
64 qids[USRQUOTA] = la->la_uid;
65 qids[GRPQUOTA] = la->la_gid;
69 /* PDO lock is unnecessary for current MDT stack because operations
70 * are already protected by ldlm lock */
71 #define MDD_DISABLE_PDO_LOCK 1
74 /** changelog is recording */
75 #define CLM_ON 0x00001
76 /** internal error prevented changelogs from starting */
77 #define CLM_ERR 0x00002
79 /** changelogs turned on */
80 #define CLM_START 0x10000
81 /** changelogs turned off */
82 #define CLM_FINI 0x20000
83 /** some changelog records purged */
84 #define CLM_PURGE 0x40000
86 struct mdd_changelog {
87 cfs_spinlock_t mc_lock; /* for index */
92 cfs_spinlock_t mc_user_lock;
96 /** Objects in .lustre dir */
97 struct mdd_dot_lustre_objs {
98 struct mdd_object *mdd_obf;
101 extern const char lfsck_bookmark_name[];
104 cfs_mutex_t ml_mutex;
105 cfs_spinlock_t ml_lock;
106 struct ptlrpc_thread ml_thread;
107 struct dt_object *ml_bookmark_obj;
108 struct dt_object *ml_it_obj;
109 __u32 ml_new_scanned;
110 /* Arguments for low layer iteration. */
113 /* Raw value for LFSCK speed limit. */
114 __u32 ml_speed_limit;
116 /* Schedule for every N objects. */
119 /* Sleep N jiffies for each schedule. */
122 unsigned int ml_paused:1; /* The lfsck is paused. */
126 struct md_device mdd_md_dev;
127 struct dt_device *mdd_child;
128 struct obd_device *mdd_obd_dev;
129 struct lu_fid mdd_root_fid;
130 struct dt_device_param mdd_dt_conf;
131 struct dt_object *mdd_orphans; /* PENDING directory */
132 struct dt_object *mdd_capa;
133 struct dt_txn_callback mdd_txn_cb;
134 cfs_proc_dir_entry_t *mdd_proc_entry;
135 struct lprocfs_stats *mdd_stats;
136 struct mdd_changelog mdd_cl;
137 unsigned long mdd_atime_diff;
138 struct mdd_object *mdd_dot_lustre;
139 struct mdd_dot_lustre_objs mdd_dot_lustre_objs;
140 struct md_lfsck mdd_lfsck;
141 unsigned int mdd_sync_permission;
145 /* The dir object has been unlinked */
152 enum mdd_object_role {
161 struct md_object mod_obj;
166 unsigned long mod_flags;
167 #ifndef MDD_DISABLE_PDO_LOCK
168 struct dynlock mod_pdlock;
170 #ifdef CONFIG_LOCKDEP
171 /* "dep_map" name is assumed by lockdep.h macros. */
172 struct lockdep_map dep_map;
176 struct mdd_thread_info {
177 struct lu_fid mti_fid;
178 struct lu_fid mti_fid2; /* used for be & cpu converting */
179 struct lu_attr mti_la;
180 struct lu_attr mti_la_for_fix;
181 struct md_attr mti_ma;
182 struct obd_info mti_oi;
183 /* mti_orph_ent and mti_orph_key must be conjoint,
184 * then mti_orph_ent::lde_name will be mti_orph_key. */
185 struct lu_dirent mti_orph_ent;
186 struct lu_attr mti_pattr;
187 struct lu_attr mti_cattr;
188 char mti_orph_key[NAME_MAX + 1];
189 struct obd_trans_info mti_oti;
190 struct lu_buf mti_buf;
191 struct lu_buf mti_big_buf; /* biggish persistent buf */
192 struct lu_name mti_name;
194 char mti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
195 struct dt_allocation_hint mti_hint;
196 struct lov_mds_md *mti_max_lmm;
197 int mti_max_lmm_size;
198 struct llog_cookie *mti_max_cookie;
199 int mti_max_cookie_size;
200 struct dt_object_format mti_dof;
201 struct obd_quotactl mti_oqctl;
204 extern const char orph_index_name[];
206 extern const struct dt_index_features orph_index_features;
208 struct lov_mds_md *mdd_max_lmm_buffer(const struct lu_env *env, int size);
209 struct lov_mds_md *mdd_max_lmm_get(const struct lu_env *env,
210 struct mdd_device *mdd);
212 struct llog_cookie *mdd_max_cookie_get(const struct lu_env *env,
213 struct mdd_device *mdd);
215 int mdd_init_obd(const struct lu_env *env, struct mdd_device *mdd,
216 struct lustre_cfg *cfg);
217 int mdd_fini_obd(const struct lu_env *env, struct mdd_device *mdd,
218 struct lustre_cfg *lcfg);
219 int __mdd_xattr_set(const struct lu_env *env, struct mdd_object *obj,
220 const struct lu_buf *buf, const char *name,
221 int fl, struct thandle *handle);
222 int mdd_xattr_set_txn(const struct lu_env *env, struct mdd_object *obj,
223 const struct lu_buf *buf, const char *name, int fl,
224 struct thandle *txn);
225 int mdd_lsm_sanity_check(const struct lu_env *env, struct mdd_object *obj);
226 int mdd_lov_set_md(const struct lu_env *env, struct mdd_object *pobj,
227 struct mdd_object *child, struct lov_mds_md *lmm,
228 int lmm_size, struct thandle *handle, int set_stripe);
229 int mdd_lov_create(const struct lu_env *env, struct mdd_device *mdd,
230 struct mdd_object *parent, struct mdd_object *child,
231 struct lov_mds_md **lmm, int *lmm_size,
232 const struct md_op_spec *spec, struct md_attr *ma);
233 int mdd_lov_objid_prepare(struct mdd_device *mdd, struct lov_mds_md *lmm);
234 int mdd_declare_lov_objid_update(const struct lu_env *, struct mdd_device *,
236 void mdd_lov_objid_update(struct mdd_device *mdd, struct lov_mds_md *lmm);
237 void mdd_lov_create_finish(const struct lu_env *env, struct mdd_device *mdd,
238 struct lov_mds_md *lmm, int lmm_size,
239 const struct md_op_spec *spec);
240 int mdd_file_lock(const struct lu_env *env, struct md_object *obj,
241 struct lov_mds_md *lmm, struct ldlm_extent *extent,
242 struct lustre_handle *lockh);
243 int mdd_file_unlock(const struct lu_env *env, struct md_object *obj,
244 struct lov_mds_md *lmm, struct lustre_handle *lockh);
245 int mdd_lum_lmm_cmp(const struct lu_env *env, struct md_object *cobj,
246 const struct md_op_spec *spec, struct md_attr *ma);
247 int mdd_get_md(const struct lu_env *env, struct mdd_object *obj,
248 void *md, int *md_size, const char *name);
249 int mdd_get_md_locked(const struct lu_env *env, struct mdd_object *obj,
250 void *md, int *md_size, const char *name);
251 int mdd_data_get(const struct lu_env *env, struct mdd_object *obj, void **data);
252 int mdd_la_get(const struct lu_env *env, struct mdd_object *obj,
253 struct lu_attr *la, struct lustre_capa *capa);
254 int mdd_attr_get(const struct lu_env *env, struct md_object *obj,
256 int mdd_attr_set(const struct lu_env *env, struct md_object *obj,
257 const struct md_attr *ma);
258 int mdd_attr_set_internal(const struct lu_env *env,
259 struct mdd_object *obj,
260 struct lu_attr *attr,
261 struct thandle *handle,
263 int mdd_attr_check_set_internal(const struct lu_env *env,
264 struct mdd_object *obj,
265 struct lu_attr *attr,
266 struct thandle *handle,
268 int mdd_declare_object_kill(const struct lu_env *env, struct mdd_object *obj,
269 struct md_attr *ma, struct thandle *handle);
270 int mdd_object_kill(const struct lu_env *env, struct mdd_object *obj,
271 struct md_attr *ma, struct thandle *handle);
272 int mdd_iattr_get(const struct lu_env *env, struct mdd_object *mdd_obj,
274 int mdd_attr_get_internal(const struct lu_env *env, struct mdd_object *mdd_obj,
276 int mdd_attr_get_internal_locked(const struct lu_env *env,
277 struct mdd_object *mdd_obj,
279 int mdd_object_create_internal(const struct lu_env *env, struct mdd_object *p,
280 struct mdd_object *c, struct md_attr *ma,
281 struct thandle *handle,
282 const struct md_op_spec *spec);
283 int mdd_attr_check_set_internal_locked(const struct lu_env *env,
284 struct mdd_object *obj,
285 struct lu_attr *attr,
286 struct thandle *handle,
288 int mdd_lmm_get_locked(const struct lu_env *env, struct mdd_object *mdd_obj,
292 void mdd_write_lock(const struct lu_env *env, struct mdd_object *obj,
293 enum mdd_object_role role);
294 void mdd_read_lock(const struct lu_env *env, struct mdd_object *obj,
295 enum mdd_object_role role);
296 void mdd_write_unlock(const struct lu_env *env, struct mdd_object *obj);
297 void mdd_read_unlock(const struct lu_env *env, struct mdd_object *obj);
298 int mdd_write_locked(const struct lu_env *env, struct mdd_object *obj);
300 void mdd_pdlock_init(struct mdd_object *obj);
301 unsigned long mdd_name2hash(const char *name);
302 void *mdd_pdo_write_lock(const struct lu_env *env, struct mdd_object *obj,
303 const char *name, enum mdd_object_role role);
304 void *mdd_pdo_read_lock(const struct lu_env *env, struct mdd_object *obj,
305 const char *name, enum mdd_object_role role);
306 void mdd_pdo_write_unlock(const struct lu_env *env, struct mdd_object *obj,
308 void mdd_pdo_read_unlock(const struct lu_env *env, struct mdd_object *obj,
311 int mdd_is_subdir(const struct lu_env *env, struct md_object *mo,
312 const struct lu_fid *fid, struct lu_fid *sfid);
313 int mdd_may_create(const struct lu_env *env, struct mdd_object *pobj,
314 struct mdd_object *cobj, int check_perm, int check_nlink);
315 int mdd_may_unlink(const struct lu_env *env, struct mdd_object *pobj,
316 const struct md_attr *ma);
317 int mdd_may_delete(const struct lu_env *env, struct mdd_object *pobj,
318 struct mdd_object *cobj, struct md_attr *ma,
319 int check_perm, int check_empty);
320 int mdd_unlink_sanity_check(const struct lu_env *env, struct mdd_object *pobj,
321 struct mdd_object *cobj, struct md_attr *ma);
322 int mdd_finish_unlink(const struct lu_env *env, struct mdd_object *obj,
323 struct md_attr *ma, struct thandle *th);
324 int mdd_object_initialize(const struct lu_env *env, const struct lu_fid *pfid,
325 const struct lu_name *lname, struct mdd_object *child,
326 struct md_attr *ma, struct thandle *handle,
327 const struct md_op_spec *spec);
328 int mdd_link_sanity_check(const struct lu_env *env, struct mdd_object *tgt_obj,
329 const struct lu_name *lname, struct mdd_object *src_obj);
330 int mdd_is_root(struct mdd_device *mdd, const struct lu_fid *fid);
331 int mdd_lookup(const struct lu_env *env,
332 struct md_object *pobj, const struct lu_name *lname,
333 struct lu_fid* fid, struct md_op_spec *spec);
334 struct lu_buf *mdd_links_get(const struct lu_env *env,
335 struct mdd_object *mdd_obj);
336 void mdd_lee_unpack(const struct link_ea_entry *lee, int *reclen,
337 struct lu_name *lname, struct lu_fid *pfid);
340 int mdd_declare_unlink_log(const struct lu_env *env, struct mdd_object *obj,
341 struct md_attr *ma, struct thandle *handle);
342 int mdd_unlink_log(const struct lu_env *env, struct mdd_device *mdd,
343 struct mdd_object *mdd_cobj, struct md_attr *ma);
345 int mdd_setattr_log(const struct lu_env *env, struct mdd_device *mdd,
346 const struct md_attr *ma,
347 struct lov_mds_md *lmm, int lmm_size,
348 struct llog_cookie *logcookies, int cookies_size);
350 int mdd_get_cookie_size(const struct lu_env *env, struct mdd_device *mdd,
351 struct lov_mds_md *lmm);
353 int mdd_lov_setattr_async(const struct lu_env *env, struct mdd_object *obj,
354 struct lov_mds_md *lmm, int lmm_size,
355 struct llog_cookie *logcookies);
357 int mdd_lovobj_unlink(const struct lu_env *env, struct mdd_device *mdd,
358 struct mdd_object *obj, struct lu_attr *la,
359 struct md_attr *ma, int log_unlink);
361 struct mdd_thread_info *mdd_env_info(const struct lu_env *env);
363 struct lu_buf *mdd_buf_get(const struct lu_env *env, void *area, ssize_t len);
364 const struct lu_buf *mdd_buf_get_const(const struct lu_env *env,
365 const void *area, ssize_t len);
367 int __mdd_orphan_cleanup(const struct lu_env *env, struct mdd_device *d);
368 int __mdd_orphan_add(const struct lu_env *, struct mdd_object *,
370 int __mdd_orphan_del(const struct lu_env *, struct mdd_object *,
372 int orph_index_init(const struct lu_env *env, struct mdd_device *mdd);
373 void orph_index_fini(const struct lu_env *env, struct mdd_device *mdd);
374 int orph_declare_index_insert(const struct lu_env *, struct mdd_object *,
376 int orph_declare_index_delete(const struct lu_env *, struct mdd_object *,
380 void lprocfs_mdd_init_vars(struct lprocfs_static_vars *lvars);
381 int mdd_procfs_init(struct mdd_device *mdd, const char *name);
382 int mdd_procfs_fini(struct mdd_device *mdd);
383 void mdd_lprocfs_time_start(const struct lu_env *env);
384 void mdd_lprocfs_time_end(const struct lu_env *env,
385 struct mdd_device *mdd, int op);
388 int mdd_get_flags(const struct lu_env *env, struct mdd_object *obj);
389 struct lu_buf *mdd_buf_alloc(const struct lu_env *env, ssize_t len);
390 int mdd_buf_grow(const struct lu_env *env, ssize_t len);
391 void mdd_buf_put(struct lu_buf *buf);
393 extern const struct md_dir_operations mdd_dir_ops;
394 extern const struct md_object_operations mdd_obj_ops;
396 int accmode(const struct lu_env *env, struct lu_attr *la, int flags);
397 extern struct lu_context_key mdd_thread_key;
398 extern const struct lu_device_operations mdd_lu_ops;
400 struct mdd_object *mdd_object_find(const struct lu_env *env,
401 struct mdd_device *d,
402 const struct lu_fid *f);
403 int mdd_get_default_md(struct mdd_object *mdd_obj, struct lov_mds_md *lmm);
404 int mdd_readpage(const struct lu_env *env, struct md_object *obj,
405 const struct lu_rdpg *rdpg);
406 int mdd_declare_llog_record(const struct lu_env *env, struct mdd_device *mdd,
407 int reclen, struct thandle *handle);
408 int mdd_declare_changelog_store(const struct lu_env *env,
409 struct mdd_device *mdd,
410 const struct lu_name *fname,
411 struct thandle *handle);
412 int mdd_changelog(const struct lu_env *env, enum changelog_rec_type type,
413 int flags, struct md_object *obj);
414 int mdd_declare_object_create_internal(const struct lu_env *env,
415 struct mdd_object *p,
416 struct mdd_object *c,
418 struct thandle *handle,
419 const struct md_op_spec *spec);
421 #ifdef HAVE_QUOTA_SUPPORT
422 int mdd_quota_notify(const struct lu_env *env, struct md_device *m);
423 int mdd_quota_setup(const struct lu_env *env, struct md_device *m,
425 int mdd_quota_cleanup(const struct lu_env *env, struct md_device *m);
426 int mdd_quota_recovery(const struct lu_env *env, struct md_device *m);
427 int mdd_quota_check(const struct lu_env *env, struct md_device *m,
429 int mdd_quota_on(const struct lu_env *env, struct md_device *m,
431 int mdd_quota_off(const struct lu_env *env, struct md_device *m,
433 int mdd_quota_setinfo(const struct lu_env *env, struct md_device *m,
434 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
435 int mdd_quota_getinfo(const struct lu_env *env, const struct md_device *m,
436 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
437 int mdd_quota_setquota(const struct lu_env *env, struct md_device *m,
438 __u32 type, __u32 id, struct obd_dqblk *dqblk);
439 int mdd_quota_getquota(const struct lu_env *env, const struct md_device *m,
440 __u32 type, __u32 id, struct obd_dqblk *dqblk);
441 int mdd_quota_getoinfo(const struct lu_env *env, const struct md_device *m,
442 __u32 type, __u32 id, struct obd_dqinfo *dqinfo);
443 int mdd_quota_getoquota(const struct lu_env *env, const struct md_device *m,
444 __u32 type, __u32 id, struct obd_dqblk *dqblk);
445 int mdd_quota_invalidate(const struct lu_env *env, struct md_device *m,
447 int mdd_quota_finvalidate(const struct lu_env *env, struct md_device *m,
452 int mdd_lov_destroy(const struct lu_env *env, struct mdd_device *mdd,
453 struct mdd_object *obj, struct lu_attr *la);
455 void mdd_object_make_hint(const struct lu_env *env, struct mdd_object *parent,
456 struct mdd_object *child, struct lu_attr *attr);
458 static inline void mdd_object_put(const struct lu_env *env,
459 struct mdd_object *o)
461 lu_object_put(env, &o->mod_obj.mo_lu);
464 struct thandle *mdd_trans_create(const struct lu_env *env,
465 struct mdd_device *mdd);
466 int mdd_trans_start(const struct lu_env *env, struct mdd_device *mdd,
468 void mdd_trans_stop(const struct lu_env *env, struct mdd_device *mdd,
469 int rc, struct thandle *handle);
470 int mdd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
472 int mdd_txn_start_cb(const struct lu_env *env, struct thandle *,
476 void mdd_lfsck_set_speed(struct md_lfsck *lfsck, __u32 limit);
477 int mdd_lfsck_start(const struct lu_env *env, struct md_lfsck *lfsck,
478 struct lfsck_start *start);
479 int mdd_lfsck_stop(const struct lu_env *env, struct md_lfsck *lfsck);
480 int mdd_lfsck_setup(const struct lu_env *env, struct mdd_device *mdd);
481 void mdd_lfsck_cleanup(const struct lu_env *env, struct mdd_device *mdd);
484 struct lu_object *mdd_object_alloc(const struct lu_env *env,
485 const struct lu_object_header *hdr,
486 struct lu_device *d);
487 struct llog_changelog_rec;
488 int mdd_changelog_llog_write(struct mdd_device *mdd,
489 struct llog_changelog_rec *rec,
490 struct thandle *handle);
491 int mdd_changelog_ext_llog_write(struct mdd_device *mdd,
492 struct llog_changelog_ext_rec *rec,
493 struct thandle *handle);
494 int mdd_changelog_llog_cancel(const struct lu_env *env, struct mdd_device *mdd,
496 int mdd_changelog_write_header(struct mdd_device *mdd, int markerflags);
497 int mdd_changelog_on(struct mdd_device *mdd, int on);
499 /* mdd_permission.c */
500 #define mdd_cap_t(x) (x)
502 #define MDD_CAP_TO_MASK(x) (1 << (x))
504 #define mdd_cap_raised(c, flag) (mdd_cap_t(c) & MDD_CAP_TO_MASK(flag))
506 /* capable() is copied from linux kernel! */
507 static inline int mdd_capable(struct md_ucred *uc, cfs_cap_t cap)
509 if (mdd_cap_raised(uc->mu_cap, cap))
514 int mdd_def_acl_get(const struct lu_env *env, struct mdd_object *mdd_obj,
516 int mdd_acl_chmod(const struct lu_env *env, struct mdd_object *o, __u32 mode,
517 struct thandle *handle);
518 int __mdd_declare_acl_init(const struct lu_env *env, struct mdd_object *obj,
519 int is_dir, struct thandle *handle);
520 int mdd_acl_set(const struct lu_env *env, struct mdd_object *obj,
521 const struct lu_buf *buf, int fl);
522 int __mdd_acl_init(const struct lu_env *env, struct mdd_object *obj,
523 struct lu_buf *buf, __u32 *mode, struct thandle *handle);
524 int __mdd_permission_internal(const struct lu_env *env, struct mdd_object *obj,
525 struct lu_attr *la, int mask, int role);
526 int mdd_permission(const struct lu_env *env,
527 struct md_object *pobj, struct md_object *cobj,
528 struct md_attr *ma, int mask);
529 int mdd_capa_get(const struct lu_env *env, struct md_object *obj,
530 struct lustre_capa *capa, int renewal);
532 static inline int lu_device_is_mdd(struct lu_device *d)
534 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &mdd_lu_ops);
537 static inline struct mdd_device* lu2mdd_dev(struct lu_device *d)
539 LASSERT(lu_device_is_mdd(d));
540 return container_of0(d, struct mdd_device, mdd_md_dev.md_lu_dev);
543 static inline struct lu_device *mdd2lu_dev(struct mdd_device *d)
545 return (&d->mdd_md_dev.md_lu_dev);
548 static inline struct mdd_object *lu2mdd_obj(struct lu_object *o)
550 LASSERT(ergo(o != NULL, lu_device_is_mdd(o->lo_dev)));
551 return container_of0(o, struct mdd_object, mod_obj.mo_lu);
554 static inline struct mdd_device* mdo2mdd(struct md_object *mdo)
556 return lu2mdd_dev(mdo->mo_lu.lo_dev);
559 static inline struct mdd_object* md2mdd_obj(struct md_object *mdo)
561 return container_of0(mdo, struct mdd_object, mod_obj);
564 static inline const struct dt_device_operations *
565 mdd_child_ops(struct mdd_device *d)
567 return d->mdd_child->dd_ops;
570 static inline struct lu_object *mdd2lu_obj(struct mdd_object *obj)
572 return &obj->mod_obj.mo_lu;
575 static inline struct dt_object* mdd_object_child(struct mdd_object *o)
577 return container_of0(lu_object_next(mdd2lu_obj(o)),
578 struct dt_object, do_lu);
581 static inline struct obd_device *mdd2obd_dev(struct mdd_device *mdd)
583 return mdd->mdd_obd_dev;
586 static inline struct mdd_device *mdd_obj2mdd_dev(struct mdd_object *obj)
588 return mdo2mdd(&obj->mod_obj);
591 static inline const struct lu_fid *mdo2fid(const struct mdd_object *obj)
593 return lu_object_fid(&obj->mod_obj.mo_lu);
596 static inline int mdd_object_obf(const struct mdd_object *obj)
598 return lu_fid_eq(mdo2fid(obj), &LU_OBF_FID);
601 static inline cfs_umode_t mdd_object_type(const struct mdd_object *obj)
603 return lu_object_attr(&obj->mod_obj.mo_lu);
606 static inline int mdd_lov_mdsize(const struct lu_env *env,
607 struct mdd_device *mdd)
609 struct obd_device *obd = mdd2obd_dev(mdd);
610 return obd->u.mds.mds_max_mdsize;
613 static inline int mdd_lov_cookiesize(const struct lu_env *env,
614 struct mdd_device *mdd)
616 struct obd_device *obd = mdd2obd_dev(mdd);
617 return obd->u.mds.mds_max_cookiesize;
620 static inline int mdd_is_immutable(struct mdd_object *obj)
622 return obj->mod_flags & IMMUTE_OBJ;
625 static inline int mdd_is_dead_obj(struct mdd_object *obj)
627 return obj && obj->mod_flags & DEAD_OBJ;
630 static inline int mdd_is_append(struct mdd_object *obj)
632 return obj->mod_flags & APPEND_OBJ;
635 static inline int mdd_object_exists(struct mdd_object *obj)
637 return lu_object_exists(mdd2lu_obj(obj));
640 static inline const struct lu_fid *mdd_object_fid(struct mdd_object *obj)
642 return lu_object_fid(mdd2lu_obj(obj));
645 static inline struct lustre_capa *mdd_object_capa(const struct lu_env *env,
646 const struct mdd_object *obj)
648 struct md_capainfo *ci = md_capainfo(env);
649 const struct lu_fid *fid = mdo2fid(obj);
652 /* NB: in mdt_init0 */
655 for (i = 0; i < MD_CAPAINFO_MAX; i++)
656 if (lu_fid_eq(&ci->mc_fid[i], fid))
657 return ci->mc_capa[i];
661 static inline void mdd_set_capainfo(const struct lu_env *env, int offset,
662 const struct mdd_object *obj,
663 struct lustre_capa *capa)
665 struct md_capainfo *ci = md_capainfo(env);
666 const struct lu_fid *fid = mdo2fid(obj);
668 LASSERT(offset >= 0 && offset < MD_CAPAINFO_MAX);
669 /* NB: in mdt_init0 */
672 ci->mc_fid[offset] = *fid;
673 ci->mc_capa[offset] = capa;
676 static inline const char *mdd_obj_dev_name(const struct mdd_object *obj)
678 return lu_dev_name(obj->mod_obj.mo_lu.lo_dev);
681 #define MAX_ATIME_DIFF 60
687 static inline int mdd_permission_internal(const struct lu_env *env,
688 struct mdd_object *obj,
689 struct lu_attr *la, int mask)
691 return __mdd_permission_internal(env, obj, la, mask, -1);
694 static inline int mdd_permission_internal_locked(const struct lu_env *env,
695 struct mdd_object *obj,
696 struct lu_attr *la, int mask,
697 enum mdd_object_role role)
699 return __mdd_permission_internal(env, obj, la, mask, role);
702 static inline int mdo_data_get(const struct lu_env *env,
703 struct mdd_object *obj,
706 struct dt_object *next = mdd_object_child(obj);
707 next->do_ops->do_data_get(env, next, data);
711 /* mdd inline func for calling osd_dt_object ops */
712 static inline int mdo_attr_get(const struct lu_env *env, struct mdd_object *obj,
713 struct lu_attr *la, struct lustre_capa *capa)
715 struct dt_object *next = mdd_object_child(obj);
716 return next->do_ops->do_attr_get(env, next, la, capa);
719 static inline int mdo_declare_attr_set(const struct lu_env *env,
720 struct mdd_object *obj,
721 const struct lu_attr *la,
722 struct thandle *handle)
724 struct dt_object *next = mdd_object_child(obj);
725 return dt_declare_attr_set(env, next, la, handle);
728 static inline int mdo_attr_set(const struct lu_env *env,
729 struct mdd_object *obj,
730 const struct lu_attr *la,
731 struct thandle *handle,
732 struct lustre_capa *capa)
734 struct dt_object *next = mdd_object_child(obj);
735 if (mdd_object_exists(obj) == 0) {
736 CERROR("%s: object "DFID" not found: rc = -2\n",
737 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
740 return next->do_ops->do_attr_set(env, next, la, handle, capa);
743 static inline int mdo_xattr_get(const struct lu_env *env,struct mdd_object *obj,
744 struct lu_buf *buf, const char *name,
745 struct lustre_capa *capa)
747 struct dt_object *next = mdd_object_child(obj);
748 return next->do_ops->do_xattr_get(env, next, buf, name, capa);
751 static inline int mdo_declare_xattr_set(const struct lu_env *env,
752 struct mdd_object *obj,
753 const struct lu_buf *buf,
755 int fl, struct thandle *handle)
757 struct dt_object *next = mdd_object_child(obj);
758 return dt_declare_xattr_set(env, next, buf, name, fl, handle);
761 static inline int mdo_xattr_set(const struct lu_env *env,struct mdd_object *obj,
762 const struct lu_buf *buf, const char *name,
763 int fl, struct thandle *handle,
764 struct lustre_capa *capa)
766 struct dt_object *next = mdd_object_child(obj);
767 if (mdd_object_exists(obj) == 0) {
768 CERROR("%s: object "DFID" not found: rc = -2\n",
769 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
772 return next->do_ops->do_xattr_set(env, next, buf, name, fl, handle,
776 static inline int mdo_declare_xattr_del(const struct lu_env *env,
777 struct mdd_object *obj,
779 struct thandle *handle)
781 struct dt_object *next = mdd_object_child(obj);
782 return dt_declare_xattr_del(env, next, name, handle);
785 static inline int mdo_xattr_del(const struct lu_env *env,struct mdd_object *obj,
786 const char *name, struct thandle *handle,
787 struct lustre_capa *capa)
789 struct dt_object *next = mdd_object_child(obj);
790 if (mdd_object_exists(obj) == 0) {
791 CERROR("%s: object "DFID" not found: rc = -2\n",
792 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
795 return next->do_ops->do_xattr_del(env, next, name, handle, capa);
799 int mdo_xattr_list(const struct lu_env *env, struct mdd_object *obj,
800 struct lu_buf *buf, struct lustre_capa *capa)
802 struct dt_object *next = mdd_object_child(obj);
803 if (mdd_object_exists(obj) == 0) {
804 CERROR("%s: object "DFID" not found: rc = -2\n",
805 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
808 return next->do_ops->do_xattr_list(env, next, buf, capa);
812 int mdo_index_try(const struct lu_env *env, struct mdd_object *obj,
813 const struct dt_index_features *feat)
815 struct dt_object *next = mdd_object_child(obj);
816 return next->do_ops->do_index_try(env, next, feat);
820 int mdo_declare_index_insert(const struct lu_env *env, struct mdd_object *obj,
821 const struct lu_fid *fid, const char *name,
822 struct thandle *handle)
824 struct dt_object *next = mdd_object_child(obj);
828 * if the object doesn't exist yet, then it's supposed to be created
829 * and declaration of the creation should be enough to insert ./..
831 if (mdd_object_exists(obj)) {
833 if (dt_try_as_dir(env, next))
834 rc = dt_declare_insert(env, next,
835 (struct dt_rec *)fid,
836 (const struct dt_key *)name,
844 int mdo_declare_index_delete(const struct lu_env *env, struct mdd_object *obj,
845 const char *name, struct thandle *handle)
847 struct dt_object *next = mdd_object_child(obj);
849 if (!dt_try_as_dir(env, next))
852 return dt_declare_delete(env, next, (const struct dt_key *)name,
856 static inline int mdo_declare_ref_add(const struct lu_env *env,
857 struct mdd_object *obj,
858 struct thandle *handle)
860 struct dt_object *next = mdd_object_child(obj);
861 return dt_declare_ref_add(env, next, handle);
864 static inline int mdo_ref_add(const struct lu_env *env, struct mdd_object *obj,
865 struct thandle *handle)
867 struct dt_object *next = mdd_object_child(obj);
868 if (mdd_object_exists(obj) == 0) {
869 CERROR("%s: object "DFID" not found: rc = -2\n",
870 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
873 return next->do_ops->do_ref_add(env, next, handle);
876 static inline int mdo_declare_ref_del(const struct lu_env *env,
877 struct mdd_object *obj,
878 struct thandle *handle)
880 struct dt_object *next = mdd_object_child(obj);
881 return dt_declare_ref_del(env, next, handle);
884 static inline int mdo_ref_del(const struct lu_env *env, struct mdd_object *obj,
885 struct thandle *handle)
887 struct dt_object *next = mdd_object_child(obj);
888 if (mdd_object_exists(obj) == 0) {
889 CERROR("%s: object "DFID" not found: rc = -2\n",
890 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
893 return next->do_ops->do_ref_del(env, next, handle);
897 int mdo_declare_create_obj(const struct lu_env *env, struct mdd_object *o,
898 struct lu_attr *attr,
899 struct dt_allocation_hint *hint,
900 struct dt_object_format *dof,
901 struct thandle *handle)
903 struct dt_object *next = mdd_object_child(o);
904 return next->do_ops->do_declare_create(env, next, attr, hint,
909 int mdo_create_obj(const struct lu_env *env, struct mdd_object *o,
910 struct lu_attr *attr,
911 struct dt_allocation_hint *hint,
912 struct dt_object_format *dof,
913 struct thandle *handle)
915 struct dt_object *next = mdd_object_child(o);
916 return next->do_ops->do_create(env, next, attr, hint, dof, handle);
920 int mdo_declare_destroy(const struct lu_env *env, struct mdd_object *o,
921 struct thandle *handle)
923 struct dt_object *next = mdd_object_child(o);
924 return dt_declare_destroy(env, next, handle);
928 int mdo_destroy(const struct lu_env *env, struct mdd_object *o,
929 struct thandle *handle)
931 struct dt_object *next = mdd_object_child(o);
932 return dt_destroy(env, next, handle);
935 static inline struct obd_capa *mdo_capa_get(const struct lu_env *env,
936 struct mdd_object *obj,
937 struct lustre_capa *old,
940 struct dt_object *next = mdd_object_child(obj);
941 if (mdd_object_exists(obj) == 0) {
942 CERROR("%s: object "DFID" not found: rc = -2\n",
943 mdd_obj_dev_name(obj), PFID(mdd_object_fid(obj)));
944 return ERR_PTR(-ENOENT);
946 return next->do_ops->do_capa_get(env, next, old, opc);